[3][4] The last concert as Pledis Girlz was held on January 6, 2017, where they revealed the official name of the group to be Pristin.

[9] The next day, on March 14, a highlight medley was also released on the group's official YouTube channel, featuring a preview from each song of the album.

[10] The EP was finally released on March 21 through several digital retailers, including Melon in South Korea,[1] and iTunes for the global market.

For promotion purposes, the song received a remixed version, which was used by the group to perform on music shows.

[17] Pristin performed their debut song "Wee Woo" for the first time on March 21 during Mnet Present's live broadcast, becoming the first rookie girl group to do so.

[26] The song was also performed during the KCON festival in Japan on May 19,[27] and on the 2017 Dream Concert at the Seoul World Cup Stadium on June 6.

[28] To wrap up the promotions for the album, the group performed a remixed version of "Black Widow" on music shows during a whole week.